package com.earl.common.config;

import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.context.annotation.Bean;
import org.springframework.core.task.TaskExecutor;
import org.springframework.scheduling.concurrent.ThreadPoolTaskExecutor;

import java.util.concurrent.ThreadPoolExecutor;

@Slf4j
public class BaseAsyncConfig {
    @Value("${custom.threadPool.corePoolSize:}")
    private int corePoolSize;
    @Value("${custom.threadPool.maxPoolSize:}")
    private int maxPoolSize;
    @Value("${custom.threadPool.keepAliveSeconds:}")
    private int keepAliveSeconds;
    @Value("${custom.threadPool.queueCapacity:}")
    private int queueCapacity;
    @Value("${custom.threadPool.name:}")
    private String name;

    @Bean
    public TaskExecutor taskExecutor() {
        log.info("start taskExecutor");
        ThreadPoolTaskExecutor executor = new ThreadPoolTaskExecutor();
        // 设置核心线程数
        executor.setCorePoolSize(corePoolSize);
        // 设置最大线程数
        executor.setMaxPoolSize(maxPoolSize);
        // 设置队列容量
        executor.setQueueCapacity(queueCapacity);
        // 设置线程活跃时间（秒）
        executor.setKeepAliveSeconds(keepAliveSeconds);
        // 设置默认线程名称
        executor.setThreadNamePrefix(name);
        // 设置拒绝策略
        executor.setRejectedExecutionHandler(new ThreadPoolExecutor.CallerRunsPolicy());
        // 等待所有任务结束后再关闭线程池
        executor.setWaitForTasksToCompleteOnShutdown(true);
        return executor;
    }
}
